code: def test_doc_freq_for_one_doc_with_several_word(self):
      # two words
      texts = [["human", "cat"]]
      d = HashDictionary(texts, myhash=zlib.adler32)
      expected = {9273: 1, 31002: 1}
      self.assertEqual(d.dfs, expected)
  
      # three words
      texts = [["human", "cat", "minors"]]
      d = HashDictionary(texts, myhash=zlib.adler32)
      expected = {9273: 1, 15001: 1, 31002: 1}
      self.assertEqual(d.dfs, expected)
  
file_path: gensim/gensim/test/test_corpora_hashdictionary.py
imports: import logging
  import unittest
  import os
  import zlib
  from gensim.corpora.hashdictionary import HashDictionary
  from gensim.test.utils import get_tmpfile, common_texts
label_desc: Use image node_id 4 for calling the TestHashDictionary obj's underlying member method code with example usage: obj.test_doc_freq_for_one_doc_with_several_word() without return types